diff --git a/packages/proto-signing/package.json b/packages/proto-signing/package.json
index a7a6fea5e1..6d3d2295f0 100644
--- a/packages/proto-signing/package.json
+++ b/packages/proto-signing/package.json
@@ -43,7 +43,7 @@
     "postdefine-proto": "prettier --write \"src/generated/codecimpl.*\""
   },
   "dependencies": {
-    "protobufjs": "~6.9.0"
+    "protobufjs": "~6.10.0"
   },
   "devDependencies": {
     "@cosmjs/encoding": "^0.21.1",
diff --git a/yarn.lock b/yarn.lock
index 7fc400fa92..09347cd39e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6708,10 +6708,10 @@ proto-list@~1.2.1:
   resolved "https://registry.yarnpkg.com/proto-list/-/proto-list-1.2.4.tgz#212d5bfe1318306a420f6402b8e26ff39647a849"
   integrity sha1-IS1b/hMYMGpCD2QCuOJv85ZHqEk=
 
-protobufjs@~6.9.0:
-  version "6.9.0"
-  resolved "https://registry.yarnpkg.com/protobufjs/-/protobufjs-6.9.0.tgz#c08b2bf636682598e6fabbf0edb0b1256ff090bd"
-  integrity sha512-LlGVfEWDXoI/STstRDdZZKb/qusoAWUnmLg9R8OLSO473mBLWHowx8clbX5/+mKDEI+v7GzjoK9tRPZMMcoTrg==
+protobufjs@~6.10.0:
+  version "6.10.0"
+  resolved "https://registry.yarnpkg.com/protobufjs/-/protobufjs-6.10.0.tgz#b0698a2a91fc597e2dc625dcf3539ece9675c8fd"
+  integrity sha512-Hdz1+CXkrlmGDKkP6DczxysdnUyUuhM1mjeaydnBxOcjxQPbJldLZ8eGE1gX0UTsgv+0QkFfn6dioo5yt9XORw==
   dependencies:
     "@protobufjs/aspromise" "^1.1.2"
     "@protobufjs/base64" "^1.1.2"